/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.accumulo.server.log;

import org.apache.hadoop.fs.Path;

/**
 * A file is written in the destination directory for the sorting of write-ahead logs that need
 * recovering. The value of {@link #getMarker()} is the name of the file that will exist in the
 * sorted output directory.
 */
public enum SortedLogState {
  FINISHED("finished"), FAILED("failed");

  private String marker;

  private SortedLogState(String marker) {
    this.marker = marker;
  }

  public String getMarker() {
    return marker;
  }

  public static boolean isFinished(String fileName) {
    return FINISHED.getMarker().equals(fileName);
  }

  public static Path getFinishedMarkerPath(String rootPath) {
    return new Path(rootPath, FINISHED.getMarker());
  }

  public static Path getFinishedMarkerPath(Path rootPath) {
    return new Path(rootPath, FINISHED.getMarker());
  }

  public static Path getFailedMarkerPath(String rootPath) {
    return new Path(rootPath, FAILED.getMarker());
  }

  @Override
  public String toString() {
    return marker;
  }
}
